<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1 th:text="${msg}"></h1>
<a th:href="@{/user/add}">去add</a><br>
<a th:href="@{/user/update}">去update</a>
</body>
</html>